diff --git a/kernel/src/filesystem/vfs/syscall.rs b/kernel/src/filesystem/vfs/syscall.rs
index bfebd08b5..bd885b848 100644
--- a/kernel/src/filesystem/vfs/syscall.rs
+++ b/kernel/src/filesystem/vfs/syscall.rs
@@ -1077,7 +1077,7 @@ impl Syscall {
     /// - `cmd`：命令
     /// - `arg`：参数
     pub fn fcntl(fd: i32, cmd: FcntlCommand, arg: i32) -> Result<usize, SystemError> {
-        kdebug!("fcntl ({cmd:?}) fd: {fd}, arg={arg}");
+        // kdebug!("fcntl ({cmd:?}) fd: {fd}, arg={arg}");
         match cmd {
             FcntlCommand::DupFd | FcntlCommand::DupFdCloexec => {
                 if arg < 0 || arg as usize >= FileDescriptorVec::PROCESS_MAX_FD {